Moved backend stuff into own backend-package

1 files changed, 0 insertions, 525 deletions

diff --git a/geneticone/flags.py b/geneticone/flags.py
deleted file mode 100644
index 8899fc5..0000000
--- a/geneticone/flags.py
+++ /dev/null
@@ -1,525 +0,0 @@
-#
-# File: geneticone/flags.py
-# This file is part of the Genetic/One-Project, a graphical portage-frontend.
-#
-# Copyright (C) 2006 Necoro d.M.
-# This is free software.  You may redistribute copies of it under the terms of
-# the GNU General Public License version 2.
-# There is NO WARRANTY, to the extent permitted by law.
-#
-# Written by Necoro d.M. <necoro@necoro.net>
-
-import os
-import os.path
-from subprocess import Popen, PIPE # needed for grep
-
-import geneticone
-from helper import *
-import portage
-from portage_util import unique_array
-
-### GENERAL PART ###
-
-def grep (pkg, path):
-	"""Grep runs "egrep" on a given path and looks for occurences of a given package.
-	@param pkg: the package
-	@type pkg: string (cpv) or L{geneticone.Package}-object
-	@param path: path to look in
-	@type path: string
-	
-	@returns: occurences of pkg in the format: "file:line-no:complete_line_found"
-	@rtype: string"""
-
-	if not isinstance(pkg, geneticone.Package):
-		pkg = geneticone.Package(pkg) # assume it is a cpv or a gentoolkit.Package
-
-	command = "egrep -x -n -r -H '^[<>!=~]{0,2}%s(-[0-9].*)?[[:space:]]?.*$' %s"
-	return Popen((command % (pkg.get_cp(), path)), shell = True, stdout = PIPE).communicate()[0].splitlines()
-
-def get_data(pkg, path):
-	"""This splits up the data of L{grep} and builds tuples in the format (file,line,criterion,list_of_flags).
-	@param pkg: package to find
-	@type pkg: string (cpv) or L{geneticone.Package}-object
-	@param path: path to look in
-	@type path: string
-	
-	@returns: a list of tuples in the form (file,line,criterion,list_of_flags)
-	@rtype: list"""
-	
-	flags = []
-
-	# do grep
-	list = grep(pkg, path)
-	
-	for i in range(len(list)):
-		file, line, fl = tuple(list[i].split(":")) # get file, line and flag-list
-		fl = fl.split()
-		crit = fl[0]
-		fl = fl[1:]
-		# stop after first comment
-		for i in range(len(fl)):
-			if fl[i][0] == "#": #comment - stop here
-				fl = fl[:i]
-				break
-		flags.append((file,line,crit,fl))
-
-	return flags
-
-### USE FLAG PART ###
-USE_PATH = os.path.join(portage.USER_CONFIG_PATH,"package.use")
-USE_PATH_IS_DIR = os.path.isdir(USE_PATH)
-useFlags = {} # useFlags in the file
-newUseFlags = {} # useFlags as we want them to be: format: cpv -> [(file, line, useflag, (true if removed from list / false if added))]
-
-def invert_use_flag (flag):
-	"""Invertes a flag.
-
-		>>> invert_use_flag("foo")
-		-foo
-		>>> invert_use_flag("-bar")
-		bar
-
-	@param flag: the flag
-	@type flag: string
-	@returns: inverted flag
-	@rtype: string
-	"""
-	if flag[0] == "-":
-		return flag[1:]
-	else:
-		return "-"+flag
-
-def set_use_flag (pkg, flag):
-	"""Sets the useflag for a given package.
-	
-	@param pkg: the package
-	@type pkg: string (cpv) or L{geneticone.Package}-object
-	@param flag: the flag to set
-	@type flag: string"""
-
-	global useFlags, newUseFlags
-
-	if not isinstance(pkg, geneticone.Package):
-		pkg = geneticone.Package(pkg) # assume cpv or gentoolkit.Package
-
-	cpv = pkg.get_cpv()
-	invFlag = invert_use_flag(flag)
-	
-	# if not saved in useFlags, get it by calling get_data() which calls grep()
-	data = None
-	if not cpv in useFlags:
-		data = get_data(pkg, USE_PATH)
-		useFlags[cpv] = data
-	else:
-		data = useFlags[cpv]
-
-	if not cpv in newUseFlags:
-		newUseFlags[cpv] = []
-
-	debug("data: "+str(data))
-	# add a useflag / delete one
-	added = False
-	for file, line, crit, flags in data:
-		if pkg.matches(crit):
-			# we have the inverted flag in the uselist/newuselist --> delete it
-			if invFlag in flags or (file, line, invFlag, False) in newUseFlags[cpv] or (file, line, flag, True) in newUseFlags[cpv]:
-				if added: del newUseFlags[-1] # we currently added it as an extra option - delete it
-				added = True
-				jumpOut = False
-				for t in [(file, line, invFlag, False),(file, line, flag, True)]:
-					if t in newUseFlags[cpv]:
-						newUseFlags[cpv].remove(t)
-						jumpOut = True
-						break
-				if not jumpOut:	newUseFlags[cpv].append((file, line, invFlag, True))
-				break
-			
-			# we want to duplicate the flag --> ignore
-			elif flag in flags:
-				added = True # emulate adding
-				break
-
-			# add as an extra flag
-			else:
-				if not added: newUseFlags[cpv].append((file, line, flag, False))
-				added = True
-	
-	# create a new line
-	if not added:
-		path = USE_PATH
-		if USE_PATH_IS_DIR:
-			path = os.path.join(USE_PATH,"geneticone")
-		
-		try:
-			newUseFlags[cpv].remove((path, -1, invFlag, False))
-		except ValueError: # not in UseFlags
-			newUseFlags[cpv].append((path, -1, flag, False))
-
-	newUseFlags[cpv] = unique_array(newUseFlags[cpv])
-	debug("newUseFlags: "+str(newUseFlags))
-
-def remove_new_use_flags (cpv):
-	"""Removes all new use-flags for a specific package.
-	@param cpv: the package for which to remove the flags
-	@type cpv: string (cpv) or L{geneticone.Package}-object"""
-	if isinstance(cpv, geneticone.Package):
-		cpv = cpv.get_cpv()
-	
-	try:
-		del newUseFlags[cpv]
-	except KeyError:
-		pass
-
-def get_new_use_flags (cpv):
-	"""Gets all the new use-flags for a specific package.
-	@param cpv: the package for which to remove the flags
-	@type cpv: string (cpv) or L{geneticone.Package}-object
-	@returns: list of flags
-	@rtype: list"""
-	
-	if isinstance(cpv, geneticone.Package):
-		cpv = cpv.get_cpv()
-
-	list2return = []
-	try:
-		for file, line, flag, remove in newUseFlags[cpv]:
-			if remove:
-				list2return.append(invert_use_flag(flag))
-			else:
-				list2return.append(flag)
-	except KeyError:
-		pass
-
-	return list2return
-
-def write_use_flags ():
-	"""This writes our changed useflags into the file."""
-	global newUseFlags, useFlags
-
-	def insert (flag, list):
-		"""Shortcut for inserting a new flag right after the package-name."""
-		list.insert(1,flag)
-	
-	def remove (flag, list):
-		"""Removes a flag."""
-		try:
-			list.remove(flag)
-		except ValueError: # flag is given as flag\n
-			list.remove(flag+"\n")
-			list.append("\n") #re-insert the newline
-
-		# no more flags there - comment it out
-		if len(list) == 1 or list[1][0] in ("#","\n"):
-			list[0] = "#"+list[0]
-			insert("#removed by geneticone#",list)
-
-	file_cache = {} # cache for having to read the file only once: name->[lines]
-	for cpv in newUseFlags:
-		for file, line, flag, delete in newUseFlags[cpv]:
-			line = int(line) # it is saved as a string so far!
-			
-			# add new line
-			if line == -1:
-				msg = "\n#geneticone update#\n=%s %s\n" % (cpv, flag)
-				if not file in file_cache:
-					f = open(file, "a")
-					f.write(msg)
-					f.close()
-				else:
-					file_cache[file].append(msg)
-			# change a line
-			else:
-				if not file in file_cache:
-					# read file
-					f = open(file, "r")
-					lines = []
-					i = 1
-					while i < line: # stop at the given line
-						lines.append(f.readline())
-						i = i+1
-					l = f.readline().split(" ")
-					# delete or insert
-					if delete:
-						remove(flag,l)
-					else:
-						insert(flag,l)
-					lines.append(" ".join(l))
-					
-					# read the rest
-					lines.extend(f.readlines())
-					
-					file_cache[file] = lines
-					f.close()
-				else: # in cache
-					l = file_cache[file][line-1].split(" ")
-					if delete:
-						remove(flag,l)
-					else:
-						insert(flag,l)
-					file_cache[file][line-1] = " ".join(l)
-	
-	# write to disk
-	for file in file_cache.keys():
-		f = open(file, "w")
-		f.writelines(file_cache[file])
-		f.close()
-	# reset
-	useFlags = {}
-	newUseFlags = {}
-
-#
-#
-# NOTHING IS WORKING / IN USE BELOW THIS LINE
-#
-#
-### MASKING PART ###
-MASK_PATH = os.path.join(portage.USER_CONFIG_PATH,"package.mask")
-UNMASK_PATH = os.path.join(portage.USER_CONFIG_PATH,"package.unmask")
-MASK_PATH_IS_DIR = os.path.isdir(MASK_PATH)
-UNMASK_PATH_IS_DIR = os.path.isdir(UNMASK_PATH)
-
-new_masked = {}
-new_unmasked = {}
-
-def set_masked (pkg):
-	global new_masked, newunmasked
-	if not isinstance(pkg, geneticone.Package):
-		pkg = geneticone.Package(pkg)
-
-	cpv = pkg.get_cpv()
-
-	if not cpv in new_unmasked:
-		new_unmasked[cpv] = []
-	if not cpv in new_masked:
-		new_masked[cpv] = []
-	
-	nu = new_unmasked[cpv][:]
-	for file, line in nu:
-		if line == "-1":
-			new_unmasked[cpv].remove(file, line)
-
-	nm = new_masked[cpv][:]
-	for file, line in nm:
-		if line != "-1":
-			new_masked[cpv].remove(file, line)
-
-	if pkg.is_masked():
-		return
-
-	unmasked = get_data(pkg, UNMASK_PATH)
-	debug("data (unmasked): "+str(unmasked))
-	done = False
-	for file, line, crit, flags in unmasked:
-		if pkg.matches(crit):
-			new_unmasked[cpv].append((file, line))
-			done = True
-
-	if done: return
-
-	if MASK_PATH_IS_DIR:
-		file = os.path.join(MASK_PATH, "geneticone")
-	else:
-		file = MASK_PATH
-	
-	new_masked[cpv].append((file, "-1"))
-	new_masked[cpv] = unique_array(new_masked[cpv])
-	debug("new_masked: "+str(new_masked))
-
-def set_unmasked (pkg):
-	global new_masked, new_unmasked
-	if not isinstance(pkg, geneticone.Package):
-		pkg = geneticone.Package(pkg)
-	
-	cpv = pkg.get_cpv()
-
-	if not cpv in new_unmasked:
-		new_unmasked[cpv] = []
-	if not cpv in new_masked:
-		new_masked[cpv] = []
-	
-	nu = new_unmasked[cpv][:]
-	for file, line in nu:
-		if line != "-1":
-			new_unmasked[cpv].remove(file, line)
-	
-	nm = new_masked[cpv][:]
-	for file, line in nm:
-		if line == "-1":
-			new_masked[cpv].remove(file, line)
-
-	if not pkg.is_masked():
-		return
-
-	masked = get_data(pkg, MASK_PATH)
-	debug("data (masked): "+str(masked))
-	done = False
-	for file, line, crit, fl in masked:
-		if pkg.matches(crit):
-			new_masked[cpv].append((file, line))
-			done = True
-
-	if done: return
-
-	if UNMASK_PATH_IS_DIR:
-		file = os.path.join(UNMASK_PATH, "geneticone")
-	else:
-		file = UNMASK_PATH
-
-	new_unmasked[cpv].append((file, "-1"))
-	new_unmasked[cpv] = unique_array(new_unmasked[cpv])
-	debug("new_unmasked: "+str(new_unmasked))
-
-def write_masked_unmasked ():
-	global new_unmasked, new_masked
-	file_cache = {}
-
-	def write(cpv, file, line):
-		line = int(line)
-		# add new line
-		if line == -1:
-			msg = "\n#geneticone update#\n=%s\n" % cpv
-			if not file in file_cache:
-				f = open(file, "a")
-				f.write(msg)
-				f.close()
-			else:
-				file_cache[file].append(msg)
-		# change a line
-		else:
-			if not file in file_cache:
-				# read file
-				f = open(file, "r")
-				lines = []
-				i = 1
-				while i < line: # stop at the given line
-					lines.append(f.readline())
-					i = i+1
-				# delete
-				l = f.readline()
-				l = "#"+l[:-1]+" # removed by geneticone\n"
-				lines.append(l)
-				
-				# read the rest
-				lines.extend(f.readlines())
-				
-				file_cache[file] = lines
-				f.close()
-			else: # in cache
-				l = file_cache[file][line-1]
-				# delete:
-				l = "#"+l[:-1]+" # removed by geneticone\n"
-				file_cache[file][line-1] = l
-	
-	
-	for cpv in new_masked:
-		for file, line in new_masked[cpv]:
-			write(cpv, file, line)
-	
-	for cpv in new_unmasked:
-		for file, line in new_unmasked[cpv]:
-			write(cpv, file, line)
-	
-	# write to disk
-	for file in file_cache.keys():
-		f = open(file, "w")
-		f.writelines(file_cache[file])
-		f.close()
-	# reset
-	new_masked = {}
-	new_unmasked = {}
-
-### TESTING PART ###
-TESTING_PATH = os.path.join(portage.USER_CONFIG_PATH, "package.keywords")
-TESTING_PATH_IS_DIR = os.path.isdir(TESTING_PATH)
-newTesting = {}
-arch = ""
-
-def set_testing (pkg, enable):
-	"""Enables the package for installing when it is marked as testing (~ARCH).
-	@param pkg: the package
-	@type pkg: string (cpv) or L{geneticone.Package}-object
-	@param enable: controls whether to enable (True) or disable (False) for test-installing
-	@type enable: boolean"""
-
-	global arch, newTesting
-	if not isinstance(pkg, geneticone.Package):
-		pkg = geneticone.Package(pkg)
-
-	arch = pkg.get_settings("ARCH")
-	cpv = pkg.get_cpv()
-	if not cpv in newTesting: 
-		newTesting[cpv] = []
-
-	debug("arch: "+arch)
-	for file, line in newTesting[cpv]:
-		if (enable and line != "-1") or (not enable and line == "-1"):
-			newTesting[cpv].remove((file, line))
-
-	if (enable and (pkg.get_mask_status() % 3 == 0)) or (not enable and (pkg.get_mask_status() % 3 != 0)):
-		return
-
-	if not enable:
-		test = get_data(pkg, TESTING_PATH)
-		debug("data (test): "+str(test))
-		for file, line, crit, flags in test:
-			if pkg.matches(crit) and flags[0] == "~"+arch:
-				newTesting[cpv].append((file, line))
-	else:
-		if TESTING_PATH_IS_DIR:
-			file = os.path.join(TESTING_PATH, "geneticone")
-		else:
-			file = TESTING_PATH
-		newTesting[cpv].append((file, "-1"))
-
-	newTesting[cpv] = unique_array(newTesting[cpv])
-	debug("newTesting: "+str(newTesting))
-
-def write_testing ():
-	global arch, newTesting
-	file_cache = {}
-
-	for cpv in newTesting:
-		for file, line in newTesting[cpv]:
-			line = int(line)
-			# add new line
-			if line == -1:
-				msg = "\n#geneticone update#\n=%s ~%s\n" % (cpv, arch)
-				if not file in file_cache:
-					f = open(file, "a")
-					f.write(msg)
-					f.close()
-				else:
-					file_cache[file].append(msg)
-			# change a line
-			else:
-				if not file in file_cache:
-					# read file
-					f = open(file, "r")
-					lines = []
-					i = 1
-					while i < line: # stop at the given line
-						lines.append(f.readline())
-						i = i+1
-					# delete
-					l = f.readline()
-					l = "#"+l[:-1]+" # removed by geneticone\n"
-					lines.append(l)
-					
-					# read the rest
-					lines.extend(f.readlines())
-					
-					file_cache[file] = lines
-					f.close()
-				else: # in cache
-					l = file_cache[file][line-1]
-					# delete:
-					l = "#"+l[:-1]+" # removed by geneticone\n"
-					file_cache[file][line-1] = l
-	
-	# write to disk
-	for file in file_cache.keys():
-		f = open(file, "w")
-		f.writelines(file_cache[file])
-		f.close()
-	# reset
-	newTesting = {}